How do you wire a motion sensor to an existing outdoor light? Specific instructions for wiring up a motion sensor will vary by brand. Be sure to check the manufacturer’s instructions on specifics.

While PIR sensors can be used with Arduino and other microcontroller boards, those best-suited for hobby use are smart enough to perform simple tasks without any programming.

A smart thermostat manages your home’s temperature automatically, but there’s another interesting way to use it: as a motion detector. You just need a little help from IFTTT. How-to Geek walks ...

Make a motion-controlled wildlife camera with an old smartphone and find out what birds, bees, butterflies and badgers are visiting your garden ...

[John] sent us this nice little project. He shows us how to create a motion activated alarm that plays the Mario Brothers theme and flashes some lights. He’s using an ATTiny13a for the brains… ...

Halloween is right around the corner and just about every Halloween project needs some kind of motion sensor. Historically, we’ve used IR and ultrasonic sensors but [Makers Mashup] decided to ...